fix to string for DevState

src/main/java/fr/soleil/archiving/hdbtdb/api/tools/ScalarEvent.java

@@ -58,10 +58,6 @@
 
 package fr.soleil.archiving.hdbtdb.api.tools;
 
-import java.lang.reflect.Array;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-
 import fr.esrf.Tango.AttrDataFormat;
 import fr.esrf.Tango.AttrWriteType;
 import fr.esrf.Tango.DevState;
@@ -69,10 +65,14 @@ import fr.esrf.TangoDs.TangoConst;
 import fr.soleil.archiving.common.api.tools.ArchivingEvent;
 import fr.soleil.archiving.common.api.tools.GlobalConst;
 
+import java.lang.reflect.Array;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
 public class ScalarEvent extends ArchivingEvent<boolean[]> {
     private static final String MIN_VALUE = "1e-100";
-    private static double minAbsoluteValue = Double.parseDouble(MIN_VALUE);
     private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
+    private static double minAbsoluteValue = Double.parseDouble(MIN_VALUE);
 
     /**
      * Creates a new instance of DhdbEvent
@@ -139,7 +139,7 @@ public class ScalarEvent extends ArchivingEvent<boolean[]> {
                         case AttrWriteType._READ:
                         case AttrWriteType._WRITE:
                             if (value instanceof DevState) {
-                                valueToString = toString(((DevState) value).value());
+                                valueToString = value.toString();
                             } else {
                                 valueToString = toString(value);
                             }